I applied through college or university. The process took 1 day. I interviewed at Indian Oil in Aug 2010
Interview
For campus recruitment, they call the top 5 students from every batch of chemical, mechanical or electrical engineering. The interview includes a couple of technical questions with a main question, Why IOCL?
Interview questions [1]
Question 1
The most unexpected question was that when they asked me to explain the assumptions behind designing a heat exchanger because, the answer to this question is really long for an interview process.
I applied online. The process took 6 months. I interviewed at Indian Oil in Jan 2009
Interview
Very slow but the interview was in depth technical by a panel (around 10) senior people constantly grilling me with quite difficult technical questions one after the other. The HR is very slow & not upto the mark as regards to help before joining and also after joining.
Interview questions [1]
Question 1
One interviewer tested my perseverence & depth of knowledge by being hell bent to prove something wrong when I confidently know that is right.